adding fractions revision
TRANSCRIPT
![Page 1: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/1.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 6
Fractions Lesson 6Adding Fractions
Part 1
![Page 2: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/2.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 6
WALT : add fractions of the
same denominator.
14
14+
![Page 3: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/3.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 6
WALT : add fractions of the
same denominator.
15
35+
![Page 4: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/4.jpg)
38
28
+
Read aloud this sum
![Page 5: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/5.jpg)
38
28
+
The fractions have the same
denominatoreighths
![Page 6: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/6.jpg)
38
28
+
Three eighths add two eighthsequals five eighths.
eighths
![Page 7: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/7.jpg)
38
28
+
Three eighths add two eighthsequals five eighths.
eighths
58
![Page 8: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/8.jpg)
47
27
+
Four sevenths add two sevenths equals six fourteenths.
614
Is this correct ?Who can explain why it’s wrong ?
![Page 9: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/9.jpg)
47
27
+
It’s wrong because sevenths arebeing added.
614
So the answer must bein sevenths.
![Page 10: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/10.jpg)
47
27
+
Four sevenths add two seventhsequals six sevenths.
67
The answer must be insevenths.
![Page 11: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/11.jpg)
O.K. some for you to try.
You can discuss these with a friend.
Thinking time starts now !
4 + 17 7
4 + 38 8
3 + 26 6
2 + 59 9
![Page 12: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/12.jpg)
The answers.
4 + 17 7
4 + 38 8
3 + 26 6
2 + 59 9
57
56
79
78
![Page 13: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/13.jpg)
15
35
+
Read aloud this sum
1
![Page 14: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/14.jpg)
15
35
+
These fractions can be addedbecause they have the same
denominator
1fifths
![Page 15: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/15.jpg)
15
35
+
So think about it like this….
1
One whole…………… addone fifth …………… addthree fifths ……………
equals
![Page 16: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/16.jpg)
15
35
+
So think about it like this….
1
One whole…………… addone fifth …………… addthree fifths ……………
equals
145
One and four fifths
![Page 17: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/17.jpg)
O.K. some for you to try.
You can discuss these with a friend.
Thinking time starts now !
4 + 17 7
4 + 38 8
3 + 26 6
2 + 59 9
1
1
1
2
![Page 18: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/18.jpg)
The answers
4 + 17 7
4 + 38 8
3 + 26 6
2 + 59 9
1
1
1
2
1 1
2 179
57
78
56
![Page 19: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/19.jpg)
![Page 20: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/20.jpg)
78
38
+
Yes we can because they areboth eighths.
eighths
How about these factions.Can we add these together ?
![Page 21: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/21.jpg)
78
38
+
How many eighths altogether ?
10 8
![Page 22: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/22.jpg)
78
38
+
How many eighths altogether ?
10 8
This is the right answerbut it is written as an improper fraction.
![Page 23: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/23.jpg)
78
38
+
What is ten eighths as a mixed number?
10 8
This is the right answerbut it is written as an improper fraction.
![Page 24: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/24.jpg)
78
38
+ 10 8
281
We change this improper fraction into a mixed number.
![Page 25: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/25.jpg)
78
38
+ 10 8
281 11
4
We then simplify this fraction to get this answer.
![Page 26: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/26.jpg)
78
38
+ 10 8
281 11
4
Any questions or comments about this bit ?
![Page 27: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/27.jpg)
78
38
+ 10 8
281 11
4
Any questions or comments about this bit ?
![Page 28: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/28.jpg)
78
38
+ 10 8
281 11
4
Eighths, how many ?
![Page 29: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/29.jpg)
78
38
+ 10 8
281 11
4
Eighths, how many ? ten
![Page 30: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/30.jpg)
78
38
+ 10 8
281 11
4
Or see them as one whole and two eighths.
![Page 31: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/31.jpg)
78
38
+ 10 8
281 11
4
Or see them as one whole and two eighths.
![Page 32: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/32.jpg)
78
38
+ 10 8
281 11
4
Any questions or comments about this bit ?
![Page 33: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/33.jpg)
78
38
+ 10 8
281 11
4
equals
![Page 34: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/34.jpg)
O.K. some for you to try.
You can discuss these with a friend.
Thinking time starts now !
4 + 57 7
4 + 36 6
3 + 24 4
4 + 79 9 1
![Page 35: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/35.jpg)
Here come the answers !
![Page 36: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/36.jpg)
O.K. the answers.
4 + 57 7
4 + 36 6
3 + 24 4
4 + 79 9 1
27
29
16
141
1 1
1
![Page 37: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/37.jpg)
MALT©2007 Maths/Fractions Slide Show : Lesson 6
end of slideshow
![Page 38: Adding fractions revision](https://reader031.vdocument.in/reader031/viewer/2022013101/555e6cc7d8b42a71048b50f3/html5/thumbnails/38.jpg)
MALT©2007 Maths/Fractions Slide Show : Lesson 6
follow up tasks
textbook page 40
symmetry games
card games
WALT : add fractions of the
same denominator.